Question

question 1 - 1
lika is asked label a set of models to describe mixtures and pure substances. her teacher states that some students are reporting that there is one model labeled incorrectly
which of the models did lika determine is labeled incorrectly?
a
b

Explanation:

• A pure substance has only one type of particle. A homogeneous mixture has a uniform composition throughout.
• Model B shows only one type of particle (all purple circles), so it should be labeled as a pure substance, not a homogeneous mixture.

Answer:

B